This book, Foundational Literacy and Numeracy (FLN) Mission: Achieving Learning for All by 2026-2027, has been conceived to offer a comprehensive understanding of the FLN Mission, its objectives, and its broader implications on the Indian educational system. It delves into the various dimensions of the mission, including the pedagogical approaches, assessment tools, teacher training methodologies, and the role of communities and parents. The book also explores the challenges inherent in achieving these ambitious goals, while highlighting the importance of collaboration between schools, government bodies, and non-governmental organizations to create a conducive learning environment for young children.